1-methyl-4-(2-hydroxyethyl)-1,2,3,6-tetrahydropyridine

4-acetyl-1-methylpyridin-1-ium iodide

1-methyl-4-(2-methyl-1,3-dioxolan-2-yl)pyridin-1-ium,iodide

1-methyl-1,2,3,6-tetrahydropyridine-4-carboxylic acid hydrochloride

甲基氯化镁